Q312 - Great Lakes Topics, USCG prep certification 2026

Progress: 24% (23/94)

Learning progress ?

1. Which is usually the most gentle way of riding out a severe storm on a larger vessel?Not learned 2. The center of volume of the immersed portion of the hull is given which term?Not learned 3. At all angles of inclination, which is the true measure of a vessel's stability?Not learned 4. Which term defines the difference between the forward and aft drafts?Not learned 5. When a wind force causes a floating MODU to heel to a static angle, the __________.Not learned 6. Which action reduces the yawing of a vessel in a following sea?Not learned 7. Advection fog holds longest over which portions of the lakes?Not learned 8. How are aids to navigation on the Great Lakes arranged geographically?Not learned 9. Assume that your vessel has just entered Lake Erie by way of the Welland Canal and is proceeding in a southwesterly direction. Which statement about the aids to navigation you can expect to encounter along the route is TRUE?Not learned 10. Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 1 while using a single belt loader to arrive at a desired mean keel draft of 29'-11"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)Not learned 11. Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 20 while using a single belt loader to arrive at a desired mean keel draft of 29'-06"? (Use the Guidance Manual for Loading M.V. GRAND HAVEN.)Not learned 12. Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatch No. 3 while using a single belt loader to arrive at a desired mean keel draft of 27'-07"? (Use the Guidance Manual for Loading M.V. GRAND HAVEN.)Not learned 13. Which basic category of water level fluctuations on the Great Lakes is the most regular?Not learned 14. What is NOT a basic shiphandling rule for navigating in ice concentrations on the Great Lakes?Not learned 15. There are basically three categories of water level fluctuations on the Great Lakes. What is NOT included as one of these?Not learned 16. A channel is stated as having a controlling depth of 38 feet. Which statement is TRUE?Not learned 17. Which describes ice blink?Not learned 18. When is the effect of wind on exposed areas of the vessel most noticeable?Not learned 19. Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?Not learned 20. Which of the Great Lakes is generally the last to reach its seasonal low and seasonal high water marks?Not learned 21. Which of the Great Lakes generally has the shortest navigation season?Not learned 22. On the Great Lakes, which defines the term "controlling depth"?Not learned 23. You are heading into the sea during rough weather. What may happen if there is too much weight forward in your small boat?Not learned 24. Ice concentration is measured in tenths. What concentration range of ice corresponds to "Close Pack"?Not learned 25. Ice concentration is measured in tenths. What concentration range of ice corresponds to "Open Pack"?Not learned 26. An icebreaker assisting a vessel through an ice field displays a visual signal consisting of the code letter "S" (Sierra). What does this signal indicate?Not learned 27. An icebreaker is displaying a flag hoist which consists of the code letters "WO" (Whiskey Oscar). What does this signal indicate?Not learned 28. What is NOT an indication that pack ice may be nearby?Not learned 29. What does the line labeled "MS" indicate on the Great Lakes load line model shown in illustration D031DG below?Not learned 30. The maneuvering information required to be posted in the wheelhouse must be based on certain conditions. Which of the following is NOT one of these conditions?Not learned 31. What is the meaning of a flag hoist consisting of the code letters "WM" (Whiskey Mike) when displayed by an icebreaker?Not learned 32. What is meant by the term "broaching to"?Not learned 33. Which expresses the term leeway?Not learned 34. If your propeller is racing in rough weather, which action should you take?Not learned 35. As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie in which orientation?Not learned 36. When running before a heavy sea, what will moving weights aft on the vessel accomplish?Not learned 37. Which term defines when a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizing?Not learned 38. Which term defines "An electronic or electric device that indicates the rate of turn of a vessel"?Not learned 39. Your vessel is broken down and rolling in heavy seas. How can you reduce the danger of capsizing?Not learned 40. Why is a VLCC (100,000 DWT+) with a 30,000 Shaft Horsepower Steam Turbine slow to respond to engine movements, and has less stopping power than normal ships?Not learned 41. Which describes nearly half of all storms that enter the Great Lakes Basin during the period from October through May?Not learned 42. When the period of beam seas equals the natural rolling period of a vessel, what will most likely occur?Not learned 43. Which publication offers information on Great Lakes ice services?Not learned 44. Which publication would give detailed information on the commercial vessel traffic reporting system for connecting waters from Lake Erie to Lake Huron?Not learned 45. In which situation could a vessel most easily capsize?Not learned 46. Small floes of rough, hummocky sea ice are capable of damaging a vessel. Which statement is TRUE?Not learned 47. Which statement concerning storm surges on the Great Lakes is FALSE?Not learned 48. Which statement is FALSE with regard to the Great Lakes Light List?Not learned 49. Which statement about stopping a vessel is TRUE?Not learned 50. Which statement is TRUE concerning weather conditions on the Great Lakes?Not learned 51. Which statement is TRUE with respect to shiphandling procedures in ice?Not learned 52. Storms that enter the Great Lakes Basin from the west and northwest at a peak in October are the products of which pressure system?Not learned 53. You are transiting the Straits of Mackinac by way of an improved channel. You have information which indicates that the channel's Federal project depth is 28 ft. Which of the following statements is true with regards to this channel?Not learned 54. When turning a ship in restricted space with a strong wind, which is the BEST action to take?Not learned 55. Which type of fog is the most dense and widely spread of those that occur on the Great Lakes?Not learned 56. Which type of ice is a hazard to navigation?Not learned 57. Using the Guidance Manual for Loading the M.V. Grand Haven, determine the amount of ballast required in tank No. 3 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 34 lbs.Not learned 58. Using the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 3 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 37.6 lbs.Not learned 59. Using sheet 25 in the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 33 lbs.Not learned 60. Using the Guidance Manual for Loading M.V. Grand Haven, determine the amount of ballast required in tank No. 5 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 35 lbs.Not learned 61. Usually the most gentle way of riding out a severe storm on a larger vessel is __________.Not learned 62. Which is the vertical reference for all water levels and bench marks on the Great Lakes - St. Lawrence River System?Not learned 63. Your vessel is approaching the International Bridge on the St. Mary's River. If the gage on the bridge, read from top to bottom, indicates 124 ft. and the IGLD (1955) is 600 ft., determine the actual vertical clearances between the existing water level and the lowest point of the bridge over the channel.Not learned 64. Your vessel is being assisted through an ice field in Thunder Bay by the Canadian Coast Guard icebreaker Alexander Henry. The starboard lookout reports that the icebreaker has run up the code flag "N" (November). Which action should you take?Not learned 65. Your vessel's existing draft is FWD 17'-04", AFT 18'-08". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 765 long tons are discharged from No. 7 hatch.Not learned 66. Your vessel's existing draft is FWD 19'-02", AFT 20'-10". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 170 long tons are discharged from No. 8 hatch.Not learned 67. Where on a vessel are the load line markings shown in illustration D031DG inscribed?Not learned 68. A vessel is loaded to her summer marks for a voyage from Montreal, Canada to Duluth, MN via the Great Lakes System. The voyage has been estimated to take nine (9) days. If the vessel departs Montreal on September 28th, which of the following statements is TRUE?Not learned 69. Your vessel has been ordered to proceed to the United Grain Growers Wharf at Thunder Bay, Lake Superior, for the purpose of taking on a load of wheat. Which publication(s) would you consult for such information as the length of the wharf, the depth of the water alongside, and the loading capacity at the facility?Not learned 70. Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?Not learned 71. Your vessel is underway and approaching an overhead obstruction on Lake Superior. Given the following information, determine the clearance between your vessel and the obstruction. Highest point on vessel: 74 ft. Lowest point of obstruction: 126 (LWD) Monthly lake level: +2 (LWD) International Great Lakes Datum: 600.0 (182.88 meters)Not learned 72. Your vessel is on a voyage from Ogdensburg, NY, to Chicago, IL, via the Great Lakes. The date is October 3 of the current year. If your vessel is subject to the load line requirements, using illustration D031DG below, to which of her marks should she be loaded?Not learned 73. Aboard a vessel, what does dividing the sum of the longitudinal moments by the total weight yield?Not learned 74. In the absence of external forces, the center of buoyancy of an inclined vessel is vertically aligned directly below the __________.Not learned 75. Which action will affect the trim of a vessel?Not learned 76. Assuming an even transverse distribution of weight in a vessel, which condition could cause a list?Not learned 77. If the cause of a sudden severe list is due to negative initial stability, counter-flooding into empty ballast tanks may __________.Not learned 78. The correction to KG for transverse free surface effects may be found by dividing the vessel's displacement into the __________.Not learned 79. Deballasting a double bottom has what effect on KG?Not learned 80. Which describes the difference between the height of the metacenter and the height of the center of gravity of a vessel?Not learned 81. The forward draft of your ship is 27'-11" and the after draft is 29'-03". The draft amidships is 28'-05". Which is TRUE of your vessel?Not learned 82. Freeboard is measured from the upper edge of the __________.Not learned 83. Freeing ports on a vessel with solid bulwarks accomplish which task?Not learned 84. In illustration D033DG below, what is the joint indicated by letter D?Not learned 85. In illustration D033DG below, what is the plating indicated by the letter N known as?Not learned 86. In illustration D033DG below, the stringer plate is represented by which letter?Not learned 87. Which is the prime function of the bilge keel?Not learned 88. What does subtracting GM from KM yield?Not learned 89. A thirty-pound plate would be which thickness?Not learned 90. Ultrasonic testing is used to determine the thickness of a vessel's shell plating and which other testing?Not learned 91. Your vessel rolls slowly and sluggishly. What does this indicate about the vessel?Not learned 92. Owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. What is the name given to these strakes?Not learned 93. In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with which item?Not learned 94. Which term is used to describe the projecting lugs of the rudderpost which furnish support to the rudder?Not learned 95. What is the purpose of cant frames in steel vessels?Not learned 96. Regulations define the bulkhead deck as __________. (subdivision and stability regulations)Not learned 97. Shell plating is _________.Not learned 98. A ship's forward draft is 22'-04" and it’s after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight is located at which of the following areas?Not learned 99. What is the space above the engine room called?Not learned 100. Which statement about bilge keels is CORRECT?Not learned 101. Which statement about the free surface effect is TRUE?Not learned 102. Which term indicates the rise in height of the bottom plating from the plane of the base line?Not learned 103. Your vessel is discharging containers from the main deck with the ship's cranes. Which of the following must be taken into account when calculating the center of gravity as the containers are discharged?Not learned 104. A vessel with a small GM will __________.Not learned 105. What welding pattern is NOT used to permanently attach a stiffener to a plate?Not learned 106. A floating vessel will behave as if all of its weight is acting downward through which point?Not learned 107. A vessel operating on the Great Lakes, and whose position is south of an eastward-moving storm center, would experience which condition?Not learned 108. Fog can form in any season on the Great Lakes, but it is most likely to occur over open waters in which period?Not learned 109. Generally speaking, which direction do the more destructive storms occurring on the Great Lakes usually come from?Not learned 110. How are distances on the Great Lakes System are generally expressed?Not learned 111. How are nautical charts published by the Canadian Hydrographic service which are referenced in the United States Coast Pilot identified?Not learned 112. Your vessel is being assisted by an icebreaker. How should you indicate that you are ready to cast off the towline?Not learned 113. In the illustration D041DG below, what does symbol 3 represent?Not learned 114. On the Great Lakes, which can cause short-term fluctuations in water levels?Not learned 115. On the Great Lakes, winter storms compound the ice threat by bringing a variety of wind, wave, and weather problems. On average, how often do these storms occur?Not learned 116. When is the phenomenon known as a "seiche" most likely to occur on Lake Erie?Not learned 117. Which defines the term "Seiche"?Not learned 118. Which statement concerning storm surges on the Great Lakes is TRUE?Not learned 119. Your vessel is running in a following sea. Which term defines the motion your vessel is experiencing?Not learned 120. Which would be the BEST condition for your vessel to enter into pack ice?Not learned 121. An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "M" (Mike). What does this signal signify?Not learned